# SDR UPS04M42512

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2004
- Submitted: June 4, 2004
- Operation: Air carrier
- Aircraft: [N275UP](https://openairdocs.org/aircraft/N275UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft time: 21,028 hours, 5,292 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Barrel Nut
- Condition: Corroded
- Location: Zone 300
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04M42512

## Discrepancy

INSPECTION TYPE: C, HORIZONTAL STAB RT BARREL NUT HOLE NR 21 FOUND CORROSION AT BOTTOM & BEARING SURFACE.  CORR REMOVED PER SRM 51-21-01V2R34 MAT REMOVED 0.021 INCH.  SLEEVE BUSHING FAB & INSTALLED PER EO MD11-5510-19409-E.  REPAIR CUTOUT AT BARREL NUT HOLE NR 21 RT FOUND WITHIN LIMIT OF EO MD 11-5510-19409-G & EN1146-04.

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